2018 MERCEDES-BENZ GLS ignition

ECO display The ECO display is not available for Mercedes-
AMG vehicles. X
Press the Y or e button on the steering
wheel to select the Trip menu.X
Press the c or d button to select ECO
DISPLAY .
If the ignition remains switched off for longer
than four hours, the ECO display will be auto-
matically reset.
For more information on the ECO display, see
( Y
page 165).
Displaying the range and current fuel
consumption
Mercedes-AMG vehicles: the menu displays
only the approximate range C .X
Press the Y or e button on the steering
wheel to select the Trip menu.
Digital speedometer X
Press the Y or e button on the steering
wheel to select the Trip menu.X
Press the c or d button to select the
digital speedometer.
A gear shift recommendation

For further information on belt adjustment, see
( Y
page 48).
Switching the fold-in mirrors when lock-
ing feature on/off This function is only available when the vehicle is
equipped with the electrical fold-in function.
When you activate the Auto. Mirror Folding
function, the exterior mirrors are folded in when
the vehicle is locked. The exterior mirrors fold
out automatically again as soon as you unlock
the vehicle. X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Convenience submenu.X
Press v to confirm.X
Press the d or c button to select the
Auto. Mirror Folding function.
If the Auto. Mirror Folding function is
switched on, the multifunction display shows
the exterior mirror in orange. X
Press the v button to save the setting.
If you have switched the Auto. Mirror Fold‐
ing on and you fold the exterior mirrors in using
button C , they will not fold out automatically
( Y
page 111).
You can then only fold out the exterior mirrors
using button C .
Restoring the factory settings X
Press the Y or e button on the steering
wheel to select the Sett. menu.X
Press the d or c button to select the
Factory Setting submenu.X
Press v to confirm.
The Reset All Settings? message
appears. X
Press the d or c button to select No or
Yes . X
Press v to confirm the selection.
If you select Yes , the multifunction display
shows a confirmation message.
If you want to reset the Daytime Running
Lights function in the Light submenu, you
must turn the SmartKey to position G in the
ignition lock.
ON&OFFROAD menu X
Press the Y or e button on the steering
wheel to select the ON&OFFROAD menu.
You can view the current off-road program set-
tings in the ON&OFFROAD menu:R
Vehicles with the Off-Road Engineering pack-
age ( Y
page 220) R
Vehicles without the Offroad Engineering
package ( Y
page 219)
AMG menu (Mercedes-AMG vehicles)
Warm-up
C
Digital speedometer D
Gear indicator

X
Press the 8 button on the steering wheel.X
Confirm Yes with v .
The RACETIMER interrupts timing if you stop the
vehicle and turn the SmartKey to position G in
the ignition lock. If you turn the SmartKey to
position I and then press v to confirm
Start timing is continued.
Resetting the current lap X
Stop the RACETIMER. X
Press the Y or e button to select
Reset Lap .X
Press v to reset the lap time to "0".
Deleting all laps
If you switch off the engine, the RACETIMER is
reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If you
have stopped 16 laps, the current lap does not
have to be reset. X
Reset the current lap. X
Press v to confirm Reset .
Reset Race Timer? appears in the multi-
function display. X
Press the d button to select Yes and press
the v button to confirm.
All laps are deleted.
Overall statistics
C
RACETIMER overall evaluation
D
Total time driven

Display messages
Introduction
General notes Display messages appear in th e multifunction display.
Display messages wit h graphi c displays may be shown in simplified form in th e Operator's Manual
and may therefore diffe r from th e multifunction display.
Please respon d in accordance wit h th e display messages and follow th e additional note s in this
Operator's Manual.
Certain display messages are accompanied by an audible warnin g tone or a continuous tone .
Whe n you stop and par k th e vehicle, please observ e th e note s on :R
HOLD function ( Y
page 187)R
Parking ( Y
page 161)
Hiding display messages X
Press th e v or 8 butto n on th e steerin g wheel.
The multifunction display hide s th e display message.
High-priorit y display messages are shown in red in th e multifunction display. Some high-priorit y
display messages canno t be hidden .
The multifunction display shows these messages continuously until th e causes fo r th e messages
hav e bee n remedied.
Message memory The on-boar d compute r saves certain display messages in th e message memory . You can cal l up
th e display messages: X
Press Y or e on th e steerin g whee l to selec t th e Serv. menu.
If there are display messages, th e multifunction display shows 2 Messages , fo r example.X
Press th e c or d butto n to selec t th e entry, e.g. 2 messages .X
Press v to confirm .X
Press th e c or d butto n to scroll through th e display messages.
Whe n th e ignition is switched off, all display messages are deleted, apar t from som e high-priorit y
display messages. Once th e causes of th e high-priorit y display messages hav e bee n rectified, th e
correspondin g display messages are also deleted.248
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp and th e red I (US A only) or $
(Canada only) indicator lamp ligh t up.
The electric parking brak e is malfunctioning .
To release: X
Switc h off th e ignition and tur n it bac k on .X
Releas e th e electric parking brak e manually.
or X
Releas e th e electric parking brak e automatically ( Y
page 162).
If th e electric parking brak e still canno t be released:X
Do no t drive on .X
Consult a qualified specialist workshop .
The red I (US A only) or $ (Canada only) indicator lamp flashes
and th e yellow $ warning lamp lights up.
The electric parking brak e is malfunctioning .
To release: X
Switc h off th e ignition and tur n it bac k on .X
Releas e th e electric parking brak e manually.
To apply : X
Switc h off th e ignition and tur n it bac k on .X
Apply th e electric parking brak e manually.
If th e red I (US A only) or $ (Canada only) indicator lamp con-
tinue s to flash: X
Do no t drive on .X
Secur e th e vehicl e against rollin g away ( Y
page 375).X
Shift th e transmission to position ] .X
Turn th e fron t wheels toward s th e curb.X
Consult a qualified specialist workshop .252
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up. The red I (US A only)
or $ (Canada only) indicator lamp flashes for about te n seconds
after th e electric parking brak e has been applie d or released. It then
goe s out or remain s lit .
The electric parking brak e is malfunctioning .X
Switc h off th e ignition and tur n it bac k on .X
Apply th e electric parking brake.
If it is no t possibl e to engage th e electric parking brake:X
Shift th e transmission to position ] .X
Visit a qualified specialist workshop .
If it is no t possibl e to release th e electric parking brake:X
Releas e th e electric parking brak e automatically ( Y
page 162).
If th e electric parking brak e still canno t be released:X
Consult a qualified specialist workshop .
The yellow $ warning lamp lights up. If you manually apply or
release th e electric parking brake, th e red I (US A only) or $
(Canada only) indicator lamp flashes .
The electric parking brak e is malfunctioning . It is no t possibl e to apply
th e electric parking brak e manually.X
Shift th e transmission to position ] .X
Visit a qualified specialist workshop .
I (US A
only)
$ (Canada
only)
Parkin g Brake Inop‐
erativ e The yellow $ warning lamp lights up. The red I (US A only)
or $ (Canada only) indicator lamp flashes for about te n seconds
after th e electric parking brak e has been applie d or released. It then
goe s out or remain s lit .
The electric parking brak e is malfunctioning , e.g. because of over-
voltag e or undervoltage. X
Remove th e caus e for th e overvoltage or undervoltage, e.g. by
charging th e battery or restarting th e engine.X
Engage or release th e electric parking brake.
If it remain s impossible to apply or release th e electric parking brake:X
Switc h off th e ignition and tur n it bac k on .X
Engage or release th e electric parking brake.
If th e electric parking brak e still canno t be released:X
Consult a qualified specialist workshop .
If th e electric parking brak e still canno t be applied:X
Visit a qualified specialist workshop .Display messages 25 3
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Disabled See
Operator' s Manual The front-passenger fron t air bag is deactivated during th e journey,
eve n though : R
an adult
or R
a person of th e correspondin g statur e is on th e front-passenger seat
If additional force s are applie d to th e seat , th e system may interpret
th e occupant's weigh t as lower than it actually is.
G WARNIN G
The front-passenger air bag does no t deploy during an accident.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 161).X
Switc h th e ignition off .X
Hav e th e occupant on th e front-passenger seat get out of th e vehi-
cle . X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicator lamp s in th e center
console and th e multifunction display and chec k th e following:
Seat unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simulta-
neousl y for approximately six seconds. R
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t u p
and remain lit after th e self-diagnosis . If th e indicator lamp is on ,
OCS (Occupant Classification System) has deactivated th e front-
passenger fron t air bag ( Y
page 52)R
th e Front Passenger Airbag Enable d See Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message s mus t no t be shown on th e mul-
tifunction display. X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F or ON indicator
lamp remain s lit or goe s out depend s on how OCS classifies th e occu-
pant.
If th e condition s are no t fulfilled , th e system is no t operating correctly.X
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System, see
( Y
page 52).258
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Enable d See
Operator' s Manual The front-passenger fron t air bag is enabled during th e journey, eve n
though : R
a child, a small adult or an objec t weighing less than th e system' s
weigh t threshold is locate d on th e front-passenger seat
or R
th e front-passenger seat is unoccupied
The system may detec t objects or force s applyin g additional weigh t on
th e seat .
G WARNIN G
The front-passenger fron t air bag may deploy unintentionally.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 161).X
Switc h th e ignition off .X
Ope n th e front-passenger door .X
Remove th e child and th e child restrain t system from th e front-
passenger seat .X
Mak e sur e that there are no objects on th e seat addin g to th e
weight.
The system might otherwise detec t th e additional weigh t and inter-
pre t th e seat occupant's weigh t as greate r than it actually is.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicator lamp s in th e center
console and th e multifunction display and chec k th e fo llowing:
Se at unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simulta-
neousl y for approximately six seconds. R
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t up
and remain lit after th e self-diagnosis . If th e indicator lamp is on ,
OCS has disabled th e front-passenger fron t air bag ( Y
page 52)R
th e Front Passenger Airbag Enable d See Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message s mus t no t be shown on th e mul-
tifunction display. X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F or ON indicator
lamp remain s lit or goe s out depend s on how OCS classifies th e occu-
pant.
If th e condition s are no t fulfilled , th e system is no t operating correctly.Display messages 25 9
On-board computer and displays Z